<template>
  <div class="col-md-4">
    <form class="form-horizontal" @submit.prevent="submit">
      <div class="form-group">
        <label>用户名</label>
        <input type="text" class="form-control" placeholder="用户名" v-model.trim="comment.username">
      </div>
      <div class="form-group">
        <label>评论内容</label>
        <textarea class="form-control" rows="6" placeholder="评论内容" v-model.trim="comment.content"></textarea>
      </div>
      <div class="form-group">
        <div class="col-sm-offset-2 col-sm-10">
          <button class="btn btn-default pull-right">提交</button>
        </div>
      </div>
    </form>
  </div>
</template>

<script>
export default {
  name: 'Add',
  props: {
    addComment: Function
  },
  data () {
    return {
      comment: {
        username: '',
        content: ''
      }
    }
  },

  methods: {
    submit () {
      const {comment} = this
      if (comment.username==='' || comment.content==='') {
        return
      }

      this.addComment(comment)

      this.comment = {
        username: '',
        content: ''
      }
    }
  }
}
</script>

<style scoped>

</style>
